Sample preparation device



FIG. 1 is a front perspective view of a sample preparation deviceaccording to one embodiment;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof;

FIG. 6 is another side view thereof;

FIG. 7 is a top view thereof; and

FIG. 8 is a bottom view thereof.

FIG. 9 is a front perspective view of a sample preparation deviceaccording to another embodiment;

FIG. 10 is a front view thereof;

FIG. 11 is a rear view thereof;

FIG. 12 is a side view thereof;

FIG. 13 is another side view thereof;

FIG. 14 is a top view thereof; and

FIG. 15 is a bottom view thereof.

FIG. 16 is a front perspective view of a sample preparation deviceaccording to a further embodiment;

FIG. 17 is a front view thereof;

FIG. 18 is a rear view thereof;

FIG. 19 is a side view thereof;

FIG. 20 is another side view thereof;

FIG. 21 is a top view thereof; and,

FIG. 22 is a bottom view thereof.

The broken lines depict portions of the sample preparation device thatform no part of the claimed design; the broken lines form no part of theclaimed design.

CLAIM The ornamental design for a sample preparation device, as shownand described.